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Interior Seeks to Undo Maryland Offshore Wind Approval as States Press to Restart Revolution Wind

Federal filings cite unresolved national security issues plus flaws in prior analyses.

Overview

  • The Interior Department asked a Maryland federal court to remand or vacate BOEM’s December 2024 approval of US Wind’s COP, arguing its prior review undervalued impacts on search-and-rescue operations and commercial fisheries.
  • BOEM signaled it will seek similar remand-with-vacatur actions for two more approved projects, with a SouthCoast Wind filing expected by September 18 and New England Wind by October 10.
  • Interior’s first detailed rationale for halting the 80%‑complete Revolution Wind cites missing mitigation agreements with the Defense Department and NOAA over electromagnetic emissions and fiber‑optic sensing equipment.
  • Rhode Island and Connecticut moved on September 17 for a preliminary injunction to overturn the stop‑work order on Revolution Wind as Ørsted’s lawsuit challenging the halt proceeds.
  • The administration also rescinded $679 million in offshore‑wind port grants, while industry groups and state officials warn of reliability risks and higher power costs, including a Connecticut estimate of roughly $200 million in added annual market costs if Revolution Wind is delayed.